Hello All,
This is my first time with the group, so please bear with me. I agree with
"ICyoung" that the CPU board should be simple, and like the idea of a USB link
to a host computer to provide low cost terminal/loader/storage. Assume a
person has an S100 bus system, the idea is to start with the CPU board. Then a
board at a time can be added, working with the CPU board to check out each
board and get it working before going to the next.
Using a CPLD for the logic would probably be easiest as they can be
programmed from an old style PC printer port with an easily built cable. There
is software to make a schematic using standard TTL parts, and then compile and
load it.
Providing a simplified CPU board that can be used for system checkout and
wouldn't cost a great deal would help the beginner a lot. If simple enough it
could be professionally built, providing a "plug and play" environment for us
dummies.
- Frank Wilson
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